The birthday of Scotland's most famous poet, Robert Burns (1759-1796), has become an occasion for Scots all over the world to gather together in his honor. A Burns Night supper usually includes haggis, a traditional dish of the heart, lungs, and liver of a sheep or calf minced with suet, onions, oatmeal, and seasonings. Burns's words "Hail Great Chieftan o' the Puddin-race!" greets the dish's entry into the room. Men wear kilts and women their tartan sashes, and the evening's celebration includes reading Burns's poems and singing his songs, ending with one of his most famous, "Auld Lang Syne.